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 ###Instrução: Qual é a renda per capita associada a uma renda domiciliar mediana de $55,800?
 ###Tabelas: CREATE TABLE 4-6-2 (4-6-2_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Wheel arrangement VARCHAR, Fleet number(s) VARCHAR, Manufacturer VARCHAR, Serial numbers VARCHAR, Year made VARCHAR, Quantity made VARCHAR, Quantity preserved VARCHAR, Year(s) retired VARCHAR) CREATE TABLE wins_4 (wins_4_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Partnering VARCHAR, Opponents in Final VARCHAR, Score in Final VARCHAR) CREATE TABLE singles:_10_3_titles_–_7_runner-ups (singles:_10_3_titles_–_7_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent VARCHAR, Score VARCHAR) CREATE TABLE vermont_counties_ranked_by_per_capita_income (vermont_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE 6401–6500 (6401–6500_id AUTO_INCREMENT PRIMARY KEY, NGC number INT, Object type VARCHAR, Constellation VARCHAR, Right ascension ( J2000 ) VARCHAR, Declination ( J2000 ) VARCHAR, Apparent magnitude INT)  
SELECT Per capita income FROM vermont_counties_ranked_by_per_capita_income WHERE Median household income = $55,800